AdBlue(R) Passive Tank

AdBlue(R) Passive Tank

Special tools, testers and auxiliary items required

• Engine/Transmission Jack (V.A.G 1383 A)

Removing

Follow all safety precautions => [ Observe the following when working on the reducing agent metering system: ] Safety Precautions.

Follow the guidelines for cleanliness. Refer to => [ Clean Working Conditions ] Clean Working Conditions.

Danger due to reducing agent leaking out.

• To prevent large amounts of reducing agent when opening the metering line, wait for the recirculation process to complete Safety Precautions.

- AdBlue(R) active tank, draining. Refer to => [ AdBlue(R) Active Tank, Draining ] AdBlue(R) Active Tank, Draining.

- On a vehicle with air suspension, activate vehicle lift mode.

- Remove the left underbody trim bolts in the center near the passive tank.

The weight of the passive tank could cause an accident.

• The passive tank must be supported by the (V.A.G 1383 A) when removing.

- Place the (V.A.G 1383 A) under the passive tank for support.






- Remove the bolts - 1, 2 and 4 -.






• The passive tank is shown with the engine/transmission jack.

- Lower the passive tank - 3 - with the (V.A.G 1383 A) approximately 100 mm while guiding the passive tank by hand.

• Place a clean cloth under the separating location to catch any reducing agent that may leak out.

• Seal off all open lines and connections with clean plugs.

The reducing agent can cause skin irritation.

• Avoid contact with skin and eyes! Always wear protective gloves and safety glasses.

• If reducing agent should get on your skin, wash it off immediately with soap and water.

• If reducing agent gets in your eye, rinse the eye for several minutes with water.

• Never inhale or swallow the reducing agent!

• Should you swallow any reducing agent, rinse your mouth, drink plenty of water and contact a doctor immediately.

- Unclip the transfer line - 2 - on the bracket - arrow - and disconnect the reducing agent transfer pump (V436) by pressing the release button.






- Disconnect the connector - 1 - and free up the electrical wire.

• Place a clean cloth under the separating location to catch any reducing agent that may leak out.

• Seal off all open lines and connections with clean plugs.






- Disconnect the supply line - 1 - and the ventilation line - 2 - by pressing the release button.

- Lower the passive tank with the (V.A.G 1383 A) while guiding the tank by hand.

Installing

Install in reverse order of removal. Note the following:

• For the correct tightening specifications, refer to => [ AdBlue(R) Passive Tank and Attachments Overview ] AdBlue(R) Passive Tank and Attachments Overview.

- Install the left underbody trim in the center.
- Make sure the lines are clipped to the passive tank.

After filling, the following steps must be performed:

- Adapting adaptation value after draining AdBlue(R) or replacing components. refer to => [ Adapting Adaptation Value after Draining AdBlue(R) or Replacing Components ] Testing and Inspection.